Home / 840,944.78-1,261,598.97-272,383.10

Finding the Fourth Proportional to 840,944.78, 1,261,598.97 and 272,383.10

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Solution

The fourth proportional to 840,944.78, 1,261,598.97 and 272,383.10 is: 408,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,944.78 : 1,261,598.97 = 272,383.10 : x
  2. Step 2: Convert to fraction form
    840,944.78/1,261,598.97 = 272,383.10/x
  3. Step 3: Cross multiply
    840,944.78x = 1,261,598.97 × 272,383.10
  4. Step 4: Simplify right side
    840,944.78x = 343,638,244,180.26
  5. Step 5: Solve for x
    x = 343,638,244,180.26/840,944.78
  6. Step 6: Final answer
    x = 408,633.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.